diff options
Diffstat (limited to 'drivers/regulator/rohm-regulator.c')
| -rw-r--r-- | drivers/regulator/rohm-regulator.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/regulator/rohm-regulator.c b/drivers/regulator/rohm-regulator.c index 5c558b153d55..6e0d9c08ec1c 100644 --- a/drivers/regulator/rohm-regulator.c +++ b/drivers/regulator/rohm-regulator.c @@ -22,13 +22,26 @@ static int set_dvs_level(const struct regulator_desc *desc, return ret; return 0; } - + /* If voltage is set to 0 => disable */ if (uv == 0) { if (omask) return regmap_update_bits(regmap, oreg, omask, 0); } + /* Some setups don't allow setting own voltage but do allow enabling */ + if (!mask) { + if (omask) + return regmap_update_bits(regmap, oreg, omask, omask); + + return -EINVAL; + } for (i = 0; i < desc->n_voltages; i++) { - ret = regulator_desc_list_voltage_linear_range(desc, i); + /* NOTE to next hacker - Does not support pickable ranges */ + if (desc->linear_range_selectors) + return -EINVAL; + if (desc->n_linear_ranges) + ret = regulator_desc_list_voltage_linear_range(desc, i); + else + ret = regulator_desc_list_voltage_linear(desc, i); if (ret < 0) continue; if (ret == uv) { @@ -82,6 +95,12 @@ int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs, mask = dvs->lpsr_mask; omask = dvs->lpsr_on_mask; break; + case ROHM_DVS_LEVEL_SNVS: + prop = "rohm,dvs-snvs-voltage"; + reg = dvs->snvs_reg; + mask = dvs->snvs_mask; + omask = dvs->snvs_on_mask; + break; default: return -EINVAL; } |